Introduce honeypot for login/registering/password changing

core/templates/core/login.jinja

@@ -33,6 +33,7 @@
         {% endif %}
 
         {% csrf_token %}
+        {% render_honeypot_field %}
 
         <div>
             <label for="{{ form.username.name }}">{{ form.username.label }}</label>

core/templates/core/password_reset.jinja

@@ -3,6 +3,7 @@
 {% block content %}
 <form method="post" action="">
 {% csrf_token %}
+{% render_honeypot_field %}
 {{ form.as_p() }}
 <input type="submit" value="{% trans %}Reset{% endtrans %}" />
 </form>

core/templates/core/register.jinja

@@ -23,6 +23,7 @@
     {% else %}
         <form action="{{ url('core:register') }}" method="post">
             {% csrf_token %}
+            {% render_honeypot_field %}
             {{ form }}
             <input type="submit" value="{% trans %}Register{% endtrans %}" />
         </form>

core/templatetags/extensions.py

@@ -0,0 +1,58 @@
+#
+# Copyright 2024
+# - Sli <antoine@bartuccio.fr>
+#
+# Ce fichier fait partie du site de l'Association des Étudiants de l'UTBM,
+# http://ae.utbm.fr.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License a published by the Free Software
+# Foundation; either version 3 of the License, or (at your option) any later
+# version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+# details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
+# Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+#
+from typing import Callable
+
+import honeypot.templatetags.honeypot as honeypot_filters
+from django.template.loader import render_to_string
+from jinja2 import Environment, nodes
+from jinja2.ext import Extension
+from jinja2.parser import Parser
+
+
+class HoneypotExtension(Extension):
+    """
+    Wrapper around the honeypot extension tag
+    Known limitation: doesn't support arguments
+
+    Usage: {% render_honeypot_field %}
+    """
+
+    tags = {"render_honeypot_field"}
+
+    def __init__(self, environment: Environment) -> None:
+        environment.globals["render_honeypot_field"] = (
+            honeypot_filters.render_honeypot_field
+        )
+        self.environment = environment
+
+    def parse(self, parser: Parser) -> nodes.Output:
+        lineno = parser.stream.expect("name:render_honeypot_field").lineno
+        call = self.call_method(
+            "_render",
+            [nodes.Name("render_honeypot_field", "load", lineno=lineno)],
+            lineno=lineno,
+        )
+        return nodes.Output([nodes.MarkSafe(call)])
+
+    def _render(self, render_honeypot_field: Callable[[str | None], str]):
+        return render_to_string("honeypot/honeypot_field.html", render_honeypot_field())

core/tests.py

@@ -36,6 +36,7 @@ class TestUserRegistration:
     @pytest.fixture()
     def valid_payload(self):
         return {
+            settings.HONEYPOT_FIELD_NAME: settings.HONEYPOT_VALUE,
             "first_name": "this user does not exist (yet)",
             "last_name": "this user does not exist (yet)",
             "email": "i-dont-exist-yet@git.an",
@@ -68,6 +69,13 @@ class TestUserRegistration:
         assert response.status_code == 200
         assert "TEST_REGISTER_USER_FORM_FAIL" in str(response.content)
 
+    def test_register_honeypot_fail(self, client, valid_payload):
+        payload = valid_payload | {
+            settings.HONEYPOT_FIELD_NAME: settings.HONEYPOT_VALUE + "random"
+        }
+        response = client.post(reverse("core:register"), payload)
+        assert response.status_code == 400
+
     def test_register_user_form_fail_already_exists(self, client, valid_payload):
         """Should not register a user correctly if it already exists."""
         # create the user, then try to create it again
@@ -90,7 +98,11 @@ class TestUserLogin:
 
         response = client.post(
             reverse("core:login"),
-            {"username": user.username, "password": "wrong-password"},
+            {
+                "username": user.username,
+                "password": "wrong-password",
+                settings.HONEYPOT_FIELD_NAME: settings.HONEYPOT_VALUE,
+            },
         )
         assert response.status_code == 200
         assert (
@@ -98,12 +110,28 @@ class TestUserLogin:
             "et votre mot de passe ne correspondent pas. Merci de réessayer.</p>"
         ) in str(response.content.decode())
 
+    def test_login_honeypot(self, client, user):
+        response = client.post(
+            reverse("core:login"),
+            {
+                "username": user.username,
+                "password": "wrong-password",
+                settings.HONEYPOT_FIELD_NAME: settings.HONEYPOT_VALUE + "incorrect",
+            },
+        )
+        assert response.status_code == 400
+
     def test_login_success(self, client, user):
         """
         Should login a user correctly
         """
         response = client.post(
-            reverse("core:login"), {"username": user.username, "password": "plop"}
+            reverse("core:login"),
+            {
+                "username": user.username,
+                "password": "plop",
+                settings.HONEYPOT_FIELD_NAME: settings.HONEYPOT_VALUE,
+            },
         )
         assertRedirects(response, reverse("core:index"))
 

core/views/user.py

@@ -36,6 +36,7 @@ from django.http import Http404, HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.template.response import TemplateResponse
 from django.urls import reverse, reverse_lazy
+from django.utils.decorators import method_decorator
 from django.utils.translation import gettext as _
 from django.views.generic import (
     CreateView,
@@ -46,6 +47,7 @@ from django.views.generic import (
 )
 from django.views.generic.dates import MonthMixin, YearMixin
 from django.views.generic.edit import UpdateView
+from honeypot.decorators import check_honeypot
 
 from api.views.sas import all_pictures_of_user
 from core.models import Gift, Preferences, SithFile, User
@@ -69,6 +71,7 @@ from subscription.models import Subscription
 from trombi.views import UserTrombiForm
 
 
+@method_decorator(check_honeypot, name="post")
 class SithLoginView(views.LoginView):
     """
     The login View
@@ -124,9 +127,10 @@ def password_root_change(request, user_id):
     )
 
 
+@method_decorator(check_honeypot, name="post")
 class SithPasswordResetView(views.PasswordResetView):
     """
-    Allows someone to enter an email adresse for resetting password
+    Allows someone to enter an email address for resetting password
     """
 
     template_name = "core/password_reset.jinja"
@@ -153,12 +157,13 @@ class SithPasswordResetConfirmView(views.PasswordResetConfirmView):
 
 class SithPasswordResetCompleteView(views.PasswordResetCompleteView):
     """
-    Confirm the password has sucessfully been reset
+    Confirm the password has successfully been reset
     """
 
     template_name = "core/password_reset_complete.jinja"
 
 
+@check_honeypot
 def register(request):
     context = {}
     if request.method == "POST":

poetry.lock

@@ -426,13 +426,13 @@ files = [
 
 [[package]]
 name = "django"
-version = "4.2.13"
+version = "4.2.14"
 description = "A high-level Python web framework that encourages rapid development and clean, pragmatic design."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "Django-4.2.13-py3-none-any.whl", hash = "sha256:a17fcba2aad3fc7d46fdb23215095dbbd64e6174bf4589171e732b18b07e426a"},
+    {file = "Django-4.2.14-py3-none-any.whl", hash = "sha256:3ec32bc2c616ab02834b9cac93143a7dc1cdcd5b822d78ac95fc20a38c534240"},
-    {file = "Django-4.2.13.tar.gz", hash = "sha256:837e3cf1f6c31347a1396a3f6b65688f2b4bb4a11c580dcb628b5afe527b68a5"},
+    {file = "Django-4.2.14.tar.gz", hash = "sha256:fc6919875a6226c7ffcae1a7d51e0f2ceaf6f160393180818f6c95f51b1e7b96"},
 ]
 
 [package.dependencies]
@@ -477,17 +477,17 @@ test = ["djangorestframework", "graphene-django", "pytest", "pytest-cov", "pytes
 
 [[package]]
 name = "django-debug-toolbar"
-version = "4.3.0"
+version = "4.4.5"
 description = "A configurable set of panels that display various debug information about the current request/response."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "django_debug_toolbar-4.3.0-py3-none-any.whl", hash = "sha256:e09b7dcb8417b743234dfc57c95a7c1d1d87a88844abd13b4c5387f807b31bf6"},
+    {file = "django_debug_toolbar-4.4.5-py3-none-any.whl", hash = "sha256:91425606673ee674d780f7aeedf3595c264eb382dcf41f55c6779577900904c0"},
-    {file = "django_debug_toolbar-4.3.0.tar.gz", hash = "sha256:0b0dddee5ea29b9cb678593bc0d7a6d76b21d7799cb68e091a2148341a80f3c4"},
+    {file = "django_debug_toolbar-4.4.5.tar.gz", hash = "sha256:8298ce966b4c8fc71430082dd4739ef2badb5f867734e1973a413c4ab2ea81b7"},
 ]
 
 [package.dependencies]
-django = ">=3.2.4"
+django = ">=4.2.9"
 sqlparse = ">=0.2"
 
 [[package]]
@@ -508,6 +508,20 @@ packaging = "*"
 elasticsearch = ["elasticsearch (>=5,<8)"]
 testing = ["coverage", "geopy (==2)", "pysolr (>=3.7)", "python-dateutil", "requests", "whoosh (>=2.5.4,<3.0)"]
 
+[[package]]
+name = "django-honeypot"
+version = "1.2.0"
+description = "Django honeypot field utilities"
+optional = false
+python-versions = "<4.0,>=3.8"
+files = [
+    {file = "django_honeypot-1.2.0-py3-none-any.whl", hash = "sha256:53dd5f8dd96ef1bb7e31b5514c0dc2caae9577e78ebdf03ca4e0f304a7422aba"},
+    {file = "django_honeypot-1.2.0.tar.gz", hash = "sha256:25fca02e786aec26649bd13b37a95c846e09ab3cfc10f28db2f7dfaa77b9b9c6"},
+]
+
+[package.dependencies]
+Django = ">=3.2,<5.1"
+
 [[package]]
 name = "django-jinja"
 version = "2.11.0"
@@ -669,13 +683,13 @@ python-dateutil = ">=2.7"
 
 [[package]]
 name = "identify"
-version = "2.5.36"
+version = "2.6.0"
 description = "File identification library for Python"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "identify-2.5.36-py2.py3-none-any.whl", hash = "sha256:37d93f380f4de590500d9dba7db359d0d3da95ffe7f9de1753faa159e71e7dfa"},
+    {file = "identify-2.6.0-py2.py3-none-any.whl", hash = "sha256:e79ae4406387a9d300332b5fd366d8994f1525e8414984e1a59e058b2eda2dd0"},
-    {file = "identify-2.5.36.tar.gz", hash = "sha256:e5e00f54165f9047fbebeb4a560f9acfb8af4c88232be60a488e9b68d122745d"},
+    {file = "identify-2.6.0.tar.gz", hash = "sha256:cb171c685bdc31bcc4c1734698736a7d5b6c8bf2e0c15117f4d469c8640ae5cf"},
 ]
 
 [package.extras]
@@ -1867,4 +1881,4 @@ filelock = ">=3.4"
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.10"
-content-hash = "8524ed5f593973edf05b3c01010c1f2345b7e799089c3e38274304bdedf8b3cb"
+content-hash = "51820883f41bdf40f00296b722ebdd9ac386e43ef1424ef990b29bac579ecbab"

pyproject.toml

@@ -46,6 +46,7 @@ django-countries = "^7.5.1"
 dict2xml = "^1.7.3"
 Sphinx = "^5" # Needed for building xapian
 tomli = "^2.0.1"
+django-honeypot = "^1.2.0"
 
 [tool.poetry.group.dev.dependencies]
 django-debug-toolbar = "^4.0.0"

sith/settings.py

@@ -1,5 +1,5 @@
 #
-# Copyright 2016,2017
+# Copyright 2016,2017,2024
 # - Skia <skia@libskia.so>
 # - Sli <antoine@bartuccio.fr>
 #
@@ -17,7 +17,7 @@
 # details.
 #
 # You should have received a copy of the GNU General Public License along with
-# this program; if not, write to the Free Sofware Foundation, Inc., 59 Temple
+# this program; if not, write to the Free Software Foundation, Inc., 59 Temple
 # Place - Suite 330, Boston, MA 02111-1307, USA.
 #
 #
@@ -54,6 +54,10 @@ os.environ["HTTPS"] = "off"
 # SECURITY WARNING: keep the secret key used in production secret!
 SECRET_KEY = "(4sjxvhz@m5$0a$j0_pqicnc$s!vbve)z+&++m%g%bjhlz4+g2"
 
+# Those values are to be changed in production to be more effective
+HONEYPOT_FIELD_NAME = "body2"
+HONEYPOT_VALUE = "content"
+
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = False
 TESTING = "pytest" in sys.modules
@@ -75,6 +79,7 @@ INSTALLED_APPS = (
     "django.contrib.messages",
     "django.contrib.staticfiles",
     "django.contrib.sites",
+    "honeypot",
     "django_jinja",
     "rest_framework",
     "ajax_select",
@@ -143,6 +148,7 @@ TEMPLATES = [
                 "django_jinja.builtins.extensions.UrlsExtension",
                 "django_jinja.builtins.extensions.StaticFilesExtension",
                 "django_jinja.builtins.extensions.DjangoFiltersExtension",
+                "core.templatetags.extensions.HoneypotExtension",
             ],
             "filters": {
                 "markdown": "core.templatetags.renderer.markdown",